The effect of catecholamines on the slow rhythm of pulmonary respiration in the frog.
D000818:Animals; D001001:Anura; D002395:Catecholamines / Q000494:pharmacology*; D004837:Epinephrine / Q000494:pharmacology; D009638:Norepinephrine / Q000494:pharmacology; D011896:Rana temporaria; D012119:Respiration / Q000187:drug effects*; D012125:Respiratory Center / Q000187:drug effects
D002395:Catecholamines; D009638:Norepinephrine; D004837:Epinephrine